The Cronulla Sharks NRL club have done a backflip over the four staff it sacked in the early days of the ASADA anti-doping investigation.

The club has reinstated trainer Mark Noakes immediately, it's in talks with axed football manager Darren Mooney about a possible return and it's reached a settlement with longtime team doctor David Givney and physiotherapist Konrad Schultz, whose jobs have already been filled.

Cronulla have also publicly retracted statements made by the club which might have caused damage to the reputations of the four men and offered a full apology for any such damage and the effect on their families.